NTK 27013 Air / Fuel Ratio Sensor - Upstream

NTK Direct Fit Air/Fuel Ratio Sensor

NTK 27013 is a direct-fit heated air/fuel ratio sensor built for precise exhaust feedback on select Ford applications. It is engineered for the 2014-2016 Ford Fusion, upstream, Bank 1 Sensor 1, with OE-style fit, form, and function.

The NTK Direct Fit 5-Wire A/F Sensor line focuses on application-specific replacement sensors for import and domestic vehicles. NTK controls ceramic production from raw material through finished sensor, supporting consistent response and reliable signal output for modern engine management systems.

Key Features

• Direct-fit air/fuel ratio sensor for specific vehicle applications
• Heated sensor design for faster operating temperature
• 5-wire configuration for accurate signal communication
• 19.25 in. wiring harness length
• 18.000 mm thread diameter with 0.38 in. thread length
• Mounting bracket not included
• OE-style replacement for Ford Fusion upstream Bank 1 Sensor 1 service

Detailed Description

NTK 27013 is an emission control sensor intended for precise air/fuel monitoring in the exhaust stream. It is a direct-fit replacement for the 2014-2016 Ford Fusion, upstream position, and is built to match the original sensor layout for straightforward service on Bank 1 Sensor 1. This part number, 27013, is also referenced for cross-application use with DENSO Auto Parts 234-5176 and interchange EJ5Z9F472B.

As part of the NTK Direct Fit 5-Wire A/F Sensor line, this sensor supports OE application coverage and is manufactured with extensive testing to help maintain quality and signal reliability. For Ford Fusion owners searching for an upstream air/fuel ratio sensor replacement, NTK 27013 provides a specific-fit solution for the listed model years.

What It Helps Address

• Check engine light related to air/fuel ratio sensor performance
• Incorrect upstream oxygen sensor or A/F sensor readings
• Rough idle caused by inaccurate exhaust feedback
• Fuel trim issues tied to sensor signal degradation
• Emission control faults on the 2014-2016 Ford Fusion

Installation Notes and Tips

Install NTK 27013 only in the listed upstream Bank 1 Sensor 1 location for the 2014-2016 Ford Fusion. Verify connector routing, harness length, and thread size before installation, and inspect the exhaust bung threads for damage or contamination. Use proper sensor removal tools and follow the vehicle service procedure for torque and connector handling.

Quality Assurance

NTK is a major original equipment oxygen sensor supplier and uses controlled ceramic manufacturing plus manufacturing test procedures to support fitment consistency and dependable operation. The 27013 sensor is built to meet OE application expectations for the specified Ford Fusion fitment.